Cardiovascular System: Blood Vessel and Circulation
16 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main function of the cardiovascular system?

  • Distributing oxygen and nutrients only
  • Assisting in digestion and waste removal
  • Carrying blood, nutrients, and hormones throughout the body (correct)
  • Transporting blood to the brain and back to the heart

    • Which structure forms a closed system of tubes to carry blood?

  • Blood vessels (correct)
  • Coronary arteries
  • Alveoli
  • Bronchi

    • In which blood vessel does the exchange occur between blood and tissue fluid?

  • Veins
  • Capillaries (correct)
  • Arteries
  • Venules

    • What is the main function of arteries?

    <p>Carry oxygen-rich blood away from the heart</p> Signup and view all the answers

    What substances are transported by the circulatory system?

    <p>Hormones, antibodies, WBC, enzymes, clotting factors, gases, waste substances, and more</p> Signup and view all the answers

    How does the circulatory system help regulate blood pressure?

    <p>By maintaining fluid balance and adjusting vessel diameter</p> Signup and view all the answers

    What type of blood do veins carry?

    <p>Oxygen-poor blood</p> Signup and view all the answers

    What is the function of the tunica media in blood vessels?

    <p>Control blood flow to different body regions</p> Signup and view all the answers

    What is the main function of arterioles?

    <p>Transport blood from small arteries to capillaries</p> Signup and view all the answers

    What is the main function of capillaries?

    <p>Allow for exchange of nutrients and waste products</p> Signup and view all the answers

    What is the composition of venules?

    <p>Only composed of tunica intima</p> Signup and view all the answers

    What characterizes elastic arteries?

    <p>Have elastic recoil preventing blood pressure from falling down when the ventricles are relaxed</p> Signup and view all the answers

    What is the function of muscular arteries?

    <p>Enable control of blood flow to different body regions</p> Signup and view all the answers

    What is the main function of small veins?

    <p>Transport blood from arterioles to small veins</p> Signup and view all the answers

    What is the composition of capillaries?

    <p>Composed of endothelium resting on connective tissue</p> Signup and view all the answers

    What do elastic arteries prevent when ventricles are relaxed?

    <p>Blood pressure from falling down</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser